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Utilizing the snippets within the module is a plug and play experience. However Bizzomate Chat is also a very flexible solution that can be customized in almost all aspects. It is advised not to modify the BizzomateChat module directly but instead to copy the logic (like snippets) that needs to be altered to another module so that the module can be updated from the marketplace without overriding your modifications.
You can see it in action here products.bizzomate.com